Emmy Rossum & Adam Duritz Found Love Via Twitter

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Actress Emmy Rossum's husband, music executive Jusitn Siegel, has filed for divorce. The couple was married for a year-and-a-half, but the couple has been seperated since August sources tell PEOPLE. Rossum has recently been linked with Counting Crows front man Adam Duritz.

"I was on tour with the band this summer. They invited me actually on Twitter," Emmy said Thursday on the syndicated radio show "Valentine in the Morning." "That's how we met – on a dare. They dared me to come sing with them a song that I'd never sung before … So I ended up on tour with the band, and it was very, very fun."

Emmy and Adam, 45, went public with their relationship following her split from husband Justin Siegel in August – a marriage she kept under wraps.